//
//  Student.h
//  08_iOS9新特性(Nullabilty , 泛型, _Kindof)
//
//  Created by dllo on 16/7/13.
//  Copyright © 2016年 LST. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "Person.h"
@interface Student : Person
@property (nonnull, nonatomic, copy) NSString *stuNum;
@end
